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Ju Min Lee, Byoung-Hwa Kwon, Hyung Il Park, Hoyeon Kim, Min Gyu Kim, Ji Sun Park, E Su Kim, Seunghyup Yoo, Duk Young Jeon and Sang Ouk Kim Solar Cells: Exciton Dissociation and Charge-Transport Enhancement in Organic Solar Cells with Quantum-Dot/N-doped CNT Hybrid Nanomaterials (Adv. Mater. 14/2013) Advanced Materials 25

Version of Record online: 8 APR 2013 | DOI: 10.1002/adma.201370088

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QD/CNT hybrid nanomaterials enhance the exciton dissociation and electron transport in the bulk-heterojunction active layer of organic solar cells, as described by Sang Ouk Kim, Duk Young Jeon, and co-workers on page 2011. InP quantum dots (QDs) spontaneously bind at N-doped carbon nanotubes via electrostatic attraction. While the InP QDs encouraged the exciton dissociation, NCNTs enhanced the transport of the separated electrons. Such a synergistic effect successfully improved the PCE from 4.68% to 6.11%, which corresponds to 31% enhancement.

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